Ultrasonic surgical blade



FIG. 1 is a top plan view of an ultrasonic surgical blade, showing our new design, the bottom plan view being a mirror image thereof;

FIG. 2 is a rear, left side and top perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof, the left side elevation view being a mirror image thereof; and,

FIG. 6 is a partial top plan view thereof, on an enlarged scale, showing detail VI in FIG. 1 . 

CLAIM The ornamental design for the ultrasonic surgical blade, as shown and described. 